English verb conjugation
OUGHT TO STRUM

Regular verb: strum - strummed - strummed

Affirmation

Simple form	V-ing form
I ought to strum you ought to strum he ought to strum we ought to strum you ought to strum they ought to strum	I ought to be strumming you ought to be strumming he ought to be strumming we ought to be strumming you ought to be strumming they ought to be strumming
Perfect	V-ing perfect
I ought to have strummed you ought to have strummed he ought to have strummed we ought to have strummed you ought to have strummed they ought to have strummed	I ought to have been strumming you ought to have been strumming he ought to have been strumming we ought to have been strumming you ought to have been strumming they ought to have been strumming

Negation

Simple form	V-ing form
I oughtn't to strum you oughtn't to strum he oughtn't to strum we oughtn't to strum you oughtn't to strum they oughtn't to strum	I oughtn't to be strumming you oughtn't to be strumming he oughtn't to be strumming we oughtn't to be strumming you oughtn't to be strumming they oughtn't to be strumming
Perfect	V-ing perfect
I oughtn't to have strummed you oughtn't to have strummed he oughtn't to have strummed we oughtn't to have strummed you oughtn't to have strummed they oughtn't to have strummed	I oughtn't to have been strumming you oughtn't to have been strumming he oughtn't to have been strumming we oughtn't to have been strumming you oughtn't to have been strumming they oughtn't to have been strumming

Interrogative form

Simple form	V-ing form
ought to I strum? ought to you strum? ought to he strum? ought to we strum? ought to you strum? ought to they strum?	ought to I be strumming? ought to you be strumming? ought to he be strumming? ought to we be strumming? ought to you be strumming? ought to they be strumming?
Perfect	V-ing perfect
ought to I have strummed? ought to you have strummed? ought to he have strummed? ought to we have strummed? ought to you have strummed? ought to they have strummed?	ought to I have been strumming? ought to you have been strumming? ought to he have been strumming? ought to we have been strumming? ought to you have been strumming? ought to they have been strumming?

Interro-negative form

Simple form	V-ing form
oughtn't I to strum? oughtn't you to strum? oughtn't he to strum? oughtn't we to strum? oughtn't you to strum? oughtn't they to strum?	oughtn't I to be strumming? oughtn't you to be strumming? oughtn't he to be strumming? oughtn't we to be strumming? oughtn't you to be strumming? oughtn't they to be strumming?
Perfect	V-ing perfect
oughtn't I to have strummed? oughtn't you to have strummed? oughtn't he to have strummed? oughtn't we to have strummed? oughtn't you to have strummed? oughtn't they to have strummed?	oughtn't I to have been strumming? oughtn't you to have been strumming? oughtn't he to have been strumming? oughtn't we to have been strumming? oughtn't you to have been strumming? oughtn't they to have been strumming?